2r+7+2n+n2
Because I combined the ones with like terms.
Answer:
See Explanation
Step-by-step explanation:
Required
Expression for area of triangle
This is calculated using
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Assume that:
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The equation becomes

Answer:
Triangles
Step-by-step explanation:
- Angle b
- Triangle BED
- Triangle ABC
that differences are that mass is a measurement of the amount of matter something contains and mass is measured by using a balance comparing a known amount of matter to an unknow of matter